Home / 18,711,205.20-28,066,807.80-6,580,572.30

Finding the Fourth Proportional to 18,711,205.20, 28,066,807.80 and 6,580,572.30

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Solution

The fourth proportional to 18,711,205.20, 28,066,807.80 and 6,580,572.30 is: 9,870,858.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,711,205.20 : 28,066,807.80 = 6,580,572.30 : x
  2. Step 2: Convert to fraction form
    18,711,205.20/28,066,807.80 = 6,580,572.30/x
  3. Step 3: Cross multiply
    18,711,205.20x = 28,066,807.80 × 6,580,572.30
  4. Step 4: Simplify right side
    18,711,205.20x = 184,695,657,958,103.94
  5. Step 5: Solve for x
    x = 184,695,657,958,103.94/18,711,205.20
  6. Step 6: Final answer
    x = 9,870,858.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.